CWNU 2946

0.16 UTI

0.76

C_N

0.14

C_dens

0.75

C_C3

0.0

C_lit

0.5

C_dup

N_m (P>50%) 128

Core radius and density 3.9 [pc], 0.7 [pc^-2]

C3 classification AB

C_N 0.76 Rich
C_dens 0.14 Very loose
C_C3 0.75 High quality
C_lit 0.0 Rarely studied
C_dup 0.5 Likely unique

📥 Members 📊 Colab 🔬 Bayestar19

MOCA 🔍 CDS 🔍 Simbad 🔍 CDS (α, δ) 🔍 Simbad (α, δ)

Overview

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CWNU 2946 is a rich, very loose object of high C3 quality. Its parallax locates it at a very large^* distance, above the mid-plane, affected by moderate extinction. It is catalogued as an old cluster (see Parameters). It was recently reported in the literature.

(*): The parallax distance estimate (~11.57 kpc) differs significantly from the median photometric distance (~6.92 kpc).

Note: This object contains blue stragglers according to at least one source.

Note: This is likely a unique object, which shares a moderate percentage of members with at least one previously reported entry. See table with shared members information.

Very distant Moderate extinction Old Contains BSS

Data

🔍 Search references for CWNU 2946 in: SciX Simbad

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Reference	Year	RA [deg]	DEC [deg]	Plx [mas]	pmRA [mas/yr]	pmDE [mas/yr]	Rv [km/s]
UCC	99999–	161.957	-55.867	0.086	-4.241	2.027	50.307
Cui et al.	2025	161.955	-55.864	0.08	-4.24	2.02	–
He et al.	2023	161.958	-55.868	0.078	-4.244	2.023	54.04

💡 Note: The UCC values are estimated from its identified members.

Reference	Year	Dist [kpc]	Av [mag]	DAv [mag]	Age [Myr]	[Fe/H] [dex]	Mass [Msun]	B_frac	BSS
UCC	99999–	6.92	1.7	–	1912	–	–	–	2
Cui et al.	2025	–	1.55	–	2239	–	–	–	2⁽¹⁾
He et al.	2023	6.92	1.85	–	1585	–	–	–	–

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Cluster	%	RA	DEC	Plx	pmRA	pmDE	Rv	UTI
HSC 2350	50.0	161.96	-55.87	0.08	-4.24	2.02	52.17	0.31

💡 Note: The % column shows the percentage of members that CWNU 2946 shares with each listed object.

Visualization

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